Profileimage by Nikola Reljin FullStack Web Entwickler & Architect | (Angular, React, Nodejs, PHP, Cloud) from TullnanderDonau

Nikola Reljin

available

Last update: 25.03.2024

Full Stack Web Developer - Architect / IT Consultant (Angular, React, Node, PHP, AWS)

Graduation: not provided
Hourly-/Daily rates: show
Languages: German (Full Professional) | English (Native or Bilingual)

Attachments

NIKOLA-RELJIN-CV-ENG_250324.pdf

Skills

Nikola is a Full Stack Software Developer with a decade of experience in all stages of the software development cycle with expertise in Frontend, Backend, DevOps, and UX, ensuring a comprehensive approach to both system architecture and software design.

With a deep understanding of modern web practices, he makes an immediate and significant impact in any software development position.

His diverse technological know-how gives him the ability to find innovative solutions, mentor effectively, and contribute productively from the very start.


Skills:
  • Software & Web Development
  • Software Architecture
  • Agile
  • App Development
  • Technical Writing
  • UX/UI
  • Distributed Systems
  • Kubernetes
  • Elasticsearch
  • Jira/Confluence Administration
Technologies with HANDS ON Experience:
  • Javascript (10 years)
  • Angular (8 years)             
  • React (7 years)                 
  • Redux (7 years)               
  • Nextjs (2 years)                 
  • Nodejs (4 years)                 
  • Nestjs (2 years)                 
  • PHP (10 years)                  
  • Laravel (8 years)             
  • Symfony (2 years)           
  • C# .net core (1-2 years)
  • Postgres (2-3 years)            
  • SQL (10 years)                   
  • MongoDB (1 year)           
  • AWS (2 years)                   
  • Azure (1 year)                  
  • Kubernetes (1-2 years)         
  • Elasticsearch (1-2 years)       
  • Logstash             
  • Kibana
  • Docker (3-4 years)
  • React Apollo (2 years)
  • GraphQL (1-2 years)
  • Redux-Saga (4-5 years)
  • Multitenancy
  • TypeORM (2 years)
  • Responsive UI (10 years)
  • Tailwind (2 years)
  • MaterialUI (5-6 years)
  • Ant Design (5 years)
  • Foundation (1 year)
  • Bootstrap (6 years)
  • Cypress (2 years)
  • Unit Testing (5-6 years)
  • Jasmin/Karma (5-6 years)
  • Figma (2-3 years)

Project history

04/2022 - 11/2023
Software Architect & Lead Frontend Developer
Insurance (USA) - remote (Insurance, 10-50 employees)

  • Coordinated the architecture and frontend development of a cutting-edge web application, setting strategic direction and ensuring seamless integration between different applications.
  • Led Frontend Innovation: Implemented advanced frontend solutions using Angular, significantly enhancing user experience and interface responsiveness, while maintaining alignment with architectural principles.
  • Collaborative Team Leadership: Guided adiverse team of developers through the development lifecycle, fostering a collaborative environment and ensuring adherence to best practices and project specifications, resulting in a robust and scalable product.

09/2021 - 12/2022
Senior Fullstack Developer (Angular & Symfony)
Education - Public Sector (Public service, 250-500 employees)

  • Feature Implementation: Successfully developed new features and strategically adapted and integrated existing functionalities to meet evolving needs and standards.
  • Database and Backend Engineering: Demonstrated expertise in database management and backend development, ensuring efficient data handling and processing in line with project requirements.
  • Performance Optimization and Testing: Focused on optimizing critical components of the API and UI for better performance and reliability, alongside thorough unit and integration testing to ensure software robustness and quality.
Techs: Angular, Symfony, Mysql

05/2021 - 09/2021
Lead Software Developer (Angular, Laravel, AWS)
Subsplay (Internet and Information Technology, < 10 employees)

  • MVP Development: Led a dedicated team of developers in creating a prototype and MVP for an innovative online events platform, showcasing strong leadership and project management skills.
  • Architecture and Code Quality Management: Established robust project architecture and coding standards, ensuring high-quality code across both backend and frontend repositories.
  • Full-Stack Development Expertise: Demonstrated comprehensive full- stack development skills, handling database, backend API, and frontend tasks to deliver a cohesive and functional product.
techs: angular, laravel, mysql, aws, docker

12/2019 - 04/2021
Lead Frontend & DevOps Developer & Architect (React, Docker, ELK stack)
Meusburger Georg GmbH & Co KG (WBI) (Industry and mechanical engineering, 1000-5000 employees)

  • Led and guided Engineering Team: Steered a diverse team of in-house and contract software engineers to create scalable SaaS knowledge management applications for enterprise clients.
  • Played a key role in transforming a legacy system, implementing microfrontends to modernize the frontend architecture.
  • Worked closely with the Project Manager and CTO to enhance the development process, boosting project efficiency and team performance.
  • Cloud Infrastructure and Containerization: Led the dockerization of backend and frontend applications, and designed a cloud infrastructure prototype on Azure. Innovated multi-tenancy support for ElasticSearch and integrated Kubernetes into the system.
  • CI/CD Pipeline Implementation: Established and managed CI/CD pipelines, ensuring efficient, automated workflows for consistent and reliable software deployment.
  • Mentorship and Technical Advancement: Mentored junior developers, enhancing their skills and capacity to manage large-scale projects.
  • Feature Development
  • Designed and developed multi tenancy support for elastic search.
 techs: React, Docker, C#, Elasticsearch, Kibana, Logstash

05/2019 - 10/2019
Senior Frontend Developer/ System Owner
ÖBB - Rail Cargo (Transport and Logistics, >10.000 employees)

  • Feature Development and Integration: Skillfully developed and integrated new features within an agile framework, focusing on enhancing the product's functionality and user experience.
  • Quality Assurance through Testing: Conducted comprehensive unit and integration testing to maintain high standards of software reliability and performance.
  • Architectural Contributions: Actively participated in architecture meetings, contributing valuable insights to the system design and overall project direction.
  • Mentorship and Team Collaboration: Provided guidance and support to junior colleagues, fostering a collaborative and knowledge-sharing environment within the team.
  • Mentored junior colleagues, helped other colleagues.
  • System Ownership and Code Quality Assurance: As the system owner, upheld the responsibility for ensuring the code quality of the product, overseeing all aspects of development to meet and exceed quality standards.
 techs: react, custom ui components

02/2019 - 05/2019
Frontend Developer (Angular)
BRZ Austrian Computing Centre (Austria) (Public service, 1000-5000 employees)

  • Feature Development: Developedandintegratednewfeatureswithinan agile environment, contributing to the continuous enhancement of the project.
  • Quality Assurance: Performed detailed unit and integration testing to ensure the robustness and reliability of the frontend components.

09/2018 - 03/2019
Lead Frontend Developer (React Native)
Red Bull (Marketing, PR and Design, >10.000 employees)

  • Core Team Member for Social/Marketing Platform App: Played a pivotal role in developing a cross-platform mobile app (iOS/Android) and a browser-accessible admin dashboard, focusing on seamless functionality and user experience.
  • RESTAPI Collaboration: Engaged in daily interactions with the backend team to design an effective REST API, ensuring optimal integration and data flow.
  • UX/UI Team Coordination:CollaboratedcloselywiththeUX/UIdesignteam to align frontend development with design principles and user experience goals.
  • Cross-Device Feature Development: Developed features and ensured consistent app functionality across various devices, addressing diverse user needs and hardware capabilities.
techs: react native, angular

03/2017 - 06/2018
Fullstack Web Developer
Airport Transfers AD Mietwagen (Transport and Logistics, 50-250 employees)

  • Client and End-User Engagement: Conducted detailed meetings with clients and end users to understand their needs, translating these insights into functional web solutions.
  • Website Development and Deployment: Designed, coded, and deployed multiple websites tailored for end clients, focusing on user-centric functionalities and intuitive navigation.
  • Comprehensive Web Application Creation: Developed a versatile web application for ride management, encompassing features for managing rides, drivers, dispatchers, billing, and reporting, ensuring a seamless operational flow.
  • Search Engine Optimization and Google AdWords: Implemented SEO strategies and managed Google AdWords campaigns, enhancing online visibility and user engagement for the developed websites.
techs: php, laravel, angular, mysql, wordpress

05/2016 - 03/2017
Fullstack Web Developer
Many different small businesses - Vienna, AT (Other, 10-50 employees)

  • Web Development and Maintenance: Produced, modified, and maintained a range of websites and web applications using technologies such as PHP, JavaScript, HTML, CSS, MySQL, jQuery, WordPress, Joomla, and others.
  • Performance Optimization:Focusedonoptimizingwebassetstoenhance speed and performance, ensuring a smooth and efficient user experience.
  • Troubleshooting and Debugging: Dedicated to investigating, diagnosing, and resolving software defects, thereby maintaining high standards of software quality and reliability.
techs: php, html css, angular, laravel, mysql, wordpress, joomla

11/2014 - 05/2015
Mentee & Apprenticeship Program
Microsoft - Belgrade, Serbia (Internet and Information Technology, 1000-5000 employees)

  • In-Depth Technical Training: Engaged in comprehensive training modules covering various Microsoft technologies, tools, algorithms and best practices, enhancing both technical and problem-solving skills.
  • Innovative Problem Solving: Applied innovative thinking to tackle challenging tasks and projects, demonstrating adaptability and a proactive approach in a dynamic tech environment.

06/2013 - 05/2014
Web Entwickler
Many Different Small Businesses (Other, < 10 employees)

Web Development and Maintenance: Developed a couple of websites for sport organisations and small local businesses.

Local Availability

Only available in these countries: Germany, Austria, Switzerland und USA
Profileimage by Nikola Reljin FullStack Web Entwickler & Architect | (Angular, React, Nodejs, PHP, Cloud) from TullnanderDonau Full Stack Web Developer - Architect / IT Consultant (Angular, React, Node, PHP, AWS)
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